danpianji.zip

DHT11的C51驱动程序，4位数码管可以显示温度和湿度，带一触发按键(DHT11 C51 driver, four digital tube can display temperature and humidity, with a trigger button)

学4年来做过的竞赛以及老师的科研项目所积累下来的c51源代码，一共有40(4 years of study done as well as the Teacher of the competition accumulated research c51 source code, a total of 40)

stm32f407使用OV2640摄像头进行拍照存储到sd卡中(stm32f407 using OV2640 camera to take pictures sd memory card)

详细介绍了DAC0832产生正弦波的程序(Detailed introduces DAC0832 produce sine wave program)

单片机联网的UIP协议程序，以及必要的驱动程序。(Networked microcontroller UIP agreement procedure, and the necessary drivers.)

带参数存储的整点报时音乐电脑时钟，算是一个比较适合初学者一个小系统。有一定的参考价值。(With parameters stored in the computer clock chime music, be a more suitable for beginners a small system. Have a certain reference value.)

PIC24单片机实现的计算器，在protus下仿真实现(PIC24 MCU calculator, under Simulation in protus)

Wireless Engineering and Technology vol.6, num.3, 2015, 37pages ISSN : 21522294

说明：  基于MODBUS协议的单片机通信系统，上位机+下位机(MODBUS Protocol-based communication system microcontroller)

用单片机产生频率，占空比可调的方波，这是C语言的原代码。(Produced with single-chip frequency, variable duty cycle square wave, which is the C language source code.)